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Harry Penner

I'm a software guy learning how to have fun with hardware

Florida
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harry-penner
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This user joined on 07/18/2022.

31.8k
72
22
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Converting old Ender 3 to coreXY printer.
Project Owner Contributor

CoreXY Ender 3

tanguyTanguy

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3.1k
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he arrival of small satellites that used LoRa for telemetry data has meant that less technically qualified persons, with a very low budget,
Project Owner Contributor

Ground station for LoRa satellites

alberto-nunezalberto nunez

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89
18
101
An open source label maker that fuses together both old and contemporary technology to create something as ubiquitous as... EMBOSSED LABELS!
Project Owner Contributor

E-TKT: anachronic label maker

andrei-speridioAndrei Speridião

6k
1k
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5
Setup a 433 MHZ transmitter/receiver with the Raspberry Pi for Home Assistant use
Project Owner Contributor

Raspberry Pi 433MHz RF Transmitter/Receiver

kayser-sosaKayser-Sosa

5.5k
76
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A tiny Raspberry Linux computer with a keyboard, a daylight-readable screen, and a long-range transceiver
Project Owner Contributor

ShaRPIKeebo - Nano Linux Computer

pcadicpcadic

3k
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An OS boot selector switch based on the Pimorini Tiny 2040
Project Owner Contributor

Tiny 2040 Hardware Boot Switch

william-somskyWilliam Somsky

2.9k
12
4
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Guitar Amplifier and effects made with Raspberry Pi and reused Vox amplifier case
Project Owner Contributor

Raspberry Pi Guitar Amplifier

dsagmandsagman

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Hard to say the price/performance of desktop raspbian system YouTube video performance. Yet playable and good to go.
Project Owner Contributor

YouTube on Raspberry pi 4 with 8GB RAM

lithium-ionLithium ION

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531
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Receive input from a 3.5mm jack, divides the music into 7 frequency bands, shows the loudness of each frequency band in DB using LEDS.
Project Owner Contributor

Music Spectrum and dB Visualizer

ghani-lawalGhani Lawal

1.3k
219
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The MicroMaster Mini is the next generation of open sourced hardware hacking tools.
Project Owner Contributor

MicroMaster Mini

stephan-bourgeoisStephan Bourgeois

537
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PuppyPi, ROS robot dog. We decide to share some useful and interesting notes. Here is the first one on Robot Gait.
Project Owner Contributor

Quadruped Robot Gait Planning and Application

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This is a 4-port RF switch for selecting different antennas or transceivers.
Project Owner Contributor

Ham Radio Antenna Switch

ralphRalph

286
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This is the best hack to do with your siblings when watching tv without your permissions. Informative tech about IR receiver jamming
Project Owner Contributor

IR Jammer circuit using NE555 timer

lithium-ionLithium ION

283
7
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Simple Voice Modulator based on ATtiny412
Project Owner Contributor

Voice Changer

stefan-wagnerStefan Wagner

273
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The world's first full-size, 1% mechanical gaming keyboard. You want a hyper-responsive, fully programmable input device, and here it is.
Project Owner Contributor

Wonkeyboard

defproc-engineeringDefProc Engineering

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IoTPi RP2040 Based IoT Board - IoTPi for Internet of Things Enthusiasts
Project Owner Contributor

RP2040 Based IoT Board - IoTPi

undefined

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I designed this amplifier using TPA3116d2 ic and PCB is fully assembled by JLCPCB SMT assembly service. let's see the performance
Project Owner Contributor

100w Class D amplifier using JLCPCB SMT service

electroboyElectroBoy

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Made a miniature R2D2 from PCB, it's powered by an Attiny85 and speaks ASTROMECH Phrases at 3-second intervals through a BUZZER.
Project Owner Contributor

R2D2 Mini Edition

arnov-sharmaArnov Sharma

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